#include <stdio.h>	
using namespace std;
int main()
{
	int i;
	char ch[100]="";
	gets(ch);	 
	for(i=0; ch[i]!='\0'; i++)
	{
		if(ch[i]>='a'&&ch[i]<='z')
			ch[i] = (ch[i] -'a' + 2) % 26 + 'a';
		if(ch[i]>='A'&&ch[i]<='Z')
			ch[i] = (ch[i] -'A' + 2) % 26 + 'A';
		if(ch[i]>='0'&&ch[i]<='9')
			ch[i] = (ch[i] -'0' + 2) % 10 + '0';
	}
	puts(ch);	
	return 0;
}
